Figure 1From: Historical sampling reveals dramatic demographic changes in western gorilla populationsGorilla distribution map. Approximate current distribution of gorillas in Equatorial Africa. Gorilla gorilla gorilla refers to western lowland gorillas and Gorilla gorilla diehli to Cross River gorillas. East African gorillas are divided into Gorilla beringei beringei, also known as mountain gorillas and Gorilla beringei graueri, known as eastern lowland gorillas.Back to article page